Packages

Fixer.io is a currency exchange rate API backed by European Central Bank data, providing real-time and historical rates for 168 currencies with EUR as the default base, operated by APILayer.

Open-source log collector and aggregator that unifies data collection from multiple sources and routes to multiple outputs via a plugin ecosystem.

Fly Machines REST API — create, start, stop, and manage individual Docker container instances (Machines) globally across Fly.io's edge network with microsecond boot times.

GLEIF Legal Entity Identifier (LEI) REST API for financial institutions, banks, compliance teams, and fintech companies to search, validate, and retrieve Legal Entity Identifier data for legal entities engaged in financial transactions — enabling automated entity identification, KYB verification, counterparty risk management, and regulatory reporting through GLEIF's open global LEI data repository covering 2.3M+ legal entities across 200+ jurisdictions. Enables AI agents to manage LEI lookup for legal entity identification and validation automation, handle entity search for counterparty discovery and matching automation, access relationship data for corporate ownership hierarchy automation, retrieve registration authority for entity jurisdiction and legal form automation, manage LEI validation for financial transaction counterparty verification automation, handle bulk data for regulatory reporting entity list automation, access vLEI for verifiable credential organization identity automation, retrieve renewal status for LEI expiry monitoring automation, manage jurisdictional data for country-specific legal entity information automation, and integrate GLEIF with KYB, AML, trade finance, and regulatory reporting systems for legal entity identification automation.

Synthetic data generation platform that creates privacy-preserving artificial datasets with statistical properties matching real data. Gretel generates synthetic tabular data, text, time series, and code using generative models (GANs, GPT-based). Key use cases: replacing PII-containing data with synthetic equivalents for ML training, augmenting small datasets, and safely sharing sensitive data. Also offers data anonymization/pseudonymization and LLM fine-tuning data generation.

Full-featured CRM REST API for managing contacts, companies, deals, pipelines, and marketing workflows across the HubSpot platform.

Bayesian hyperparameter optimization library for Python — optimizes any function over complex search spaces using TPE (Tree of Parzen Estimators). Hyperopt features: hp.choice(), hp.uniform(), hp.loguniform(), hp.quniform() for search space definition, fmin() for optimization loop, Trials() for experiment tracking, SparkTrials for distributed optimization, STATUS_OK/STATUS_FAIL return protocol, hp.sample() for visualization, mongoexp for MongoDB-backed distributed optimization, and pyll graph for lazy evaluation. Used with XGBoost, sklearn, and neural networks for automated hyperparameter tuning. Predecessor of Optuna with similar TPE algorithm.

Provides access to files and folders stored in Microsoft OneDrive and SharePoint through the Microsoft Graph API, enabling upload, download, search, sharing, and metadata operations.

Lightweight open-source publish-subscribe messaging system with optional JetStream persistence layer for at-least-once delivery and replay.

LLM fine-tuning platform that captures your OpenAI API calls and turns them into fine-tuning datasets automatically. OpenPipe intercepts prompts and completions from your production application via a drop-in SDK replacement, filters for high-quality examples, and fine-tunes smaller models (Llama, Mistral) to match performance at 10-100x lower cost. Purpose-built for production cost reduction: replace expensive GPT-4 calls with fine-tuned small models.

Passage by 1Password provides a passkey-first authentication API that lets agents register and authenticate users via FIDO2 WebAuthn biometrics with optional magic link fallback, backed by 1Password's security infrastructure.

Fast and affordable cloud web crawler and scraper API built on a Rust engine that returns AI-ready Markdown output, supports JavaScript rendering, and offers credits-based pricing optimized for LLM data pipelines.

Uploadcare provides a file upload and CDN platform with REST APIs for programmatic file ingestion, storage management, and on-the-fly image/video transformations via URL-based processing directives.

Collaborative platform for building, testing, and deploying AI-powered chat and voice agents. Voiceflow provides a visual drag-and-drop builder for conversation flows, integrates with LLMs (GPT-4, Claude, etc.) for AI responses, and offers a Dialog Manager API for deploying agents to any channel (web chat, Twilio, WhatsApp, etc.). Used by enterprise teams to build customer service bots, product support agents, and interactive voice response (IVR) systems with non-technical collaboration.

X (Twitter) MCP server enabling AI agents to interact with X's social platform — posting tweets and threads, searching tweets, retrieving user timelines, fetching engagement metrics, and integrating X's real-time social data into agent-driven social media management and monitoring workflows.

Markdown-first memory system for AI agents that stores memories as human-readable .md files with vector-based semantic retrieval via Milvus. Features smart deduplication, live file sync, hybrid search (dense + BM25), and a Claude Code plugin.

Amazon RDS REST API — managed relational database service enabling agents to provision, configure, backup, and scale PostgreSQL, MySQL, MariaDB, Oracle, and SQL Server instances, and manage Aurora clusters without infrastructure management.

Async Python MongoDB ODM with Pydantic validation — Document-Object Mapper built on Motor + Pydantic v2. Beanie features: Document class (Pydantic BaseModel + MongoDB collection), async CRUD (await Agent.insert(), await Agent.find_one()), query builder (Agent.find(Agent.status == 'idle')), aggregation expressions, link references (Link[Task] for relations), lazy loading, Settings class for collection/index config, migrations via beanie-migration, and built-in JSON serialization. The FastAPI-native MongoDB ODM that makes agent document validation and persistence ergonomic.

Multi-language authorization library with a unified policy model supporting ACL, RBAC, ABAC, and custom access control models. Casbin uses a PERM (Policy, Effect, Request, Matchers) meta-model — define access control in a .conf model file and policies in a .csv or database. Single policy model runs across Go, Node.js, Python, Java, PHP, and Rust via consistent Casbin ports. Used for complex multi-role, multi-resource permission systems.

Language-agnostic background job server with a simple wire protocol (RESP-based). Faktory provides the job server component while language-specific workers connect to execute jobs. Unlike Redis-backed libraries (BullMQ, Celery, Sidekiq), Faktory is a standalone server purpose-built for job queuing — not general-purpose caching. Created by Mike Perham (creator of Sidekiq). Workers available for Ruby, Python, Go, Node.js, Java, Rust, and more. Web UI for monitoring. Faktory Pro/Enterprise adds batches, unique jobs, and more.